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Correlations between (A) blood concentrations of MPO and NE protein (ρ=0.72, P<0.001, Spearman rank correlation) and (B) levels of mRNA for MPO and NE in blood leukocytes (r=0.85, P<0.001, Spearman rank correlation) in smokers with obstructive pulmonary disease and chronic bronchitis (n=34) during a clinically stable period at the time of inclusion.
Abbreviations: MPO, myeloperoxidase; NE, neutrophil elastase; OPD-CB, obstructive pulmonary disease and chronic bronchitis.
